As he noted at Tuesday night’s forum in Phoenix and on yesterday’s broadcast, my colleague Michael Medved has been hearing this speculation about Obama’s running mate from Dems and GOPers. Just in time for the conversation comes John Podhoretz’s summary of the mayor’s record. Read the whole thing, but here’s the key line:

That said, however, Bloomberg’s mayoralty has been, at least to measure by his own ambitions, a horrific failure.